Small rust spots on roof

Hey guys, so I have a question, what can I do about very small rust spots like this? (pictured below). I noticed one when I got the car, but now I notice 2 on my roof. I don't want it to keep spreading and obviously want it to look better.

Can I just get some rustoleum from the hardware store, lightly sand it, and then fill it with touch up paint? I have touch up paint.

Looks like rail dust from shipping. It takes a while, but you will see a spot of rust with a bulls eye of rust in the middle. Clay bar it out and wax it over. Also check your hood, top and your rear deck panel, As well as your rear bumper cover. really does not take that long to get out. I have a white car and I am still running across it from time to time.

Looks like rail dust from shipping. It takes a while, but you will see a spot of rust with a bulls eye of rust in the middle. Clay bar it out and wax it over. Also check your hood, top and your rear deck panel, As well as your rear bumper cover. really does not take that long to get out. I have a white car and I am still running across it from time to time.

A new car I would think but something that is 7 years old? I think its just paint that was missing there down to the bare metal leaving it exposed to rust.

A new car I would think but something that is 7 years old? I think its just paint that was missing there down to the bare metal leaving it exposed to rust.

The one by the window you may be right. The one on the top looks like a rail dust spot in the pic to me. If it is not waxed often it will show up eventually. I have them still popping up on my '12 and it is almost 2 years old.

The one by the window you may be right. The one on the top looks like a rail dust spot in the pic to me. If it is not waxed often it will show up eventually. I have them still popping up on my '12 and it is almost 2 years old.

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